Welch Allyn MacroView Manual

Digital MacroView™ Otoscope
Directions for use

ii
© 2014 Welch Allyn. All rights are reserved. No one is permitted to reproduce or
duplicate, in any form, this manual or any part thereof without permission from
Welch Allyn.
Caution: Federal law restricts this device to sale by or on the order of a licensed
professional trained in otoscopy.
Welch Allyn assumes no responsibility for any injury, or for any illegal or improper
use of the product, that may result from failure to use this product in accordance
with the instructions, cautions, warnings, or indications for use published in this
manual.
Welch Allyn is a registered trademark of Welch Allyn, Inc. Digital Macroview is a
trademark of Welch Allyn, Inc.
Software in this product is copyright Welch Allyn or its vendors. All rights are
reserved. The software is protected by United States of America copyright laws
and international treaty provisions applicable worldwide. Under such laws, the
licensee is entitled to use the copy of the software incorporated with this
instrument as intended in the operation of the product in which it is embedded.
The software may not be copied, decompiled, reverse-engineered, disassembled
or otherwise reduced to human-perceivable form. This is not a sale of the
software or any copy of the software; all right, title, and ownership of the
software remain with Welch Allyn or its vendors.
For patent information, please visit www.welchallyn.com/patents.
For information about any Welch Allyn product, contact your local Welch Allyn
representative: www.welchallyn.com/about/company/locations.htm.
DIR 80019712 Ver A
This manual applies to 901021 Otoscope, Wideview
Changes or modifications not expressly approved by Welch Allyn could
void the purchaser’s authority to operate the equipment.
Welch Allyn, Inc.
4341 State Street Road,
PO Box 220
Skaneateles Falls, NY 13153
USA
www.welchallyn.com
European Regulatory Manager
Welch Allyn Ltd.
Navan Business Park
Dublin Road
Navan, County Meath,
Republic of Ireland
EC REP

iii
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
User Profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings and cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Using the otoscope head . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Using the Digital MacroView system . . . . . . . . . . . . . . . . . . 8
Using focus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Using the controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Reviewing images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Standby Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Using the throat illuminator . . . . . . . . . . . . . . . . . . . . . . . . 13
3 Maintenance and service. . . . . . . . . . . . . . . . . 15
Replacing the lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Cleaning recommendation . . . . . . . . . . . . . . . . . . . . . . . . . 17
Recycling the system components . . . . . . . . . . . . . . . . . . 18
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Service policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 23

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1
1
Introduction
The Digital MacroView System consists of a digital otoscope
head and a USB Video Cable. A 3.5 volt Welch Allyn power
source and a computer are necessary to use the Digital
MacroView System.
Current available Digital MacroView versions:
• 23920 Digital MacroView for medical
• 23960 Digital MacroView for veterinarian
The Digital MacroView System is designed for “Plug and Play”
operation - all adjustments including illumination and white
balance are pre-set at the factory.
System Requirements
The Digital MacroView requires a user device running Windows
XP Service Pack 2 or later operating system, a viewing screen,
and a USB 2.0 port.
Intended use
The otoscope is intended to allow inspection of the external ear,
ear canal, and tympanic membrane under magnification. A
secondary use of the otoscope may be for assessing the
flexibility of the tympanic membrane (pneumatic otoscopy).
User Profile
The Digital MacroView is intended for licensed professionals
trained in otoscopy.

2Introduction Welch Allyn
Symbols
Safety symbols
Button symbols
WARNING Caution
Consult operating
instructions/directions for
use (DFU). A copy of the
DFU is available on this
website. A printed copy of
the DFU can be ordered
from Welch Allyn for
delivery within 7 calendar
days.
IPXO Not protected from the
ingress of water
Product identifier Reorder number
Type BF applied part Temperature limit
USB Humidity limitation
Recycle the product separate from other disposables. See
“Recycling the system components” on page 18.
Capture Image
Zoom

Directions for use Digital MacroView 3
Agency certifications
CERTIFIED TO:
CAN/CSA STD C22.2 NO. 601.1
CONFORMS TO:
UL STD 60601-1
IEC 60601-1
The CE mark on this product indicates that it has been tested
to and conforms with the provisions noted within the 93/42/
EEC Medical Device Directive.
European Regulatory Manager
Welch Allyn Ltd.
Navan Business Park • Dublin Road • Navan, County Meath,
Republic of Ireland
EC REP

4Introduction Welch Allyn
Warnings and cautions
Familiarize all operating personnel with the general safety
information in this summary. Specific warnings and cautions are
also found throughout this manual. Such specific warnings and
cautions may not appear here in this summary.
Warnings
A warning statement in this manual identifies a condition or
practice, which if not corrected or discontinued immediately,
could lead to injury, illness, or death.
Cautions
A caution statement in this manual identifies a condition or
practice, which if not corrected or discontinued immediately,
could lead to equipment failure, equipment damage, or data loss.
WARNING No modification of the equipment is
allowed.
WARNING Do not use in the presence of flammable
anesthetics.
WARNING This product has no user serviceable/
replaceable parts except for the lamp. Please refer all
other service to authorized service personnel.
WARNING This instrument is not intended to be used
in the eye.
WARNING This product generates and records
reference images from inputs obtained from the Welch
Allyn Digital Macroview. These reference images are not
intended for diagnostic purposes.

Directions for use Digital MacroView 5
Caution In order to obtain optimum performance and
ensure patient safety, thoroughly read this booklet.
Caution The Digital MacroView System is designed
expressly for use with an approved Welch Allyn 3.5v
power source. Damage to the system will occur if
alternate power sources are attached to the video head.
Caution Do not use the Digital MacroView if you
notice any signs of damage to the components of the
system. Contact Customer Service Department for
immediate assistance.
Caution Before each use, the outer surface of the ear
specula on the Digital MacroView which is intended to
be inserted into a PATIENT should be checked to ensure
there are no unintended rough surfaces, sharp edges or
protrusions which may Cause a SAFETY HAZARD.
Caution Do not attempt to disinfect the Digital
MacroView System using glutaraldehyde products,
ethylene oxide gas, steam or any other liquid or gas
disinfectant.
Caution The signal output (USB Port) connector is
intended for connection of only devices complying with
IEC 60601-1, or other IEC standards (for example, IEC
60950), as appropriate to the device. Connecting
additional devices to the Digital MacroView System is
configuring a medical system and you are responsible
for verifying that the system complies with the
requirements of the system standard IEC 60601-1-1
Caution This product complies with current required
standards for electromagnetic interference and should
not present problems to other equipment or be affected
by other devices. As a precaution, avoid using this
device in close proximity to other equipment.

6Introduction Welch Allyn
Caution To minimize external otoscope housing
temperatures, on-time should not exceed 2 minutes and
off-time a minimum of 10 minutes.
Caution Only accepts Welch Allyn specula.
Caution Use only Welch Allyn approved lamps.
Caution Do not apply alcohol, chemicals, or water to
the lenses. Solution entering the optical assembly could
damage internal components.

7
2
Operation
Using the otoscope head
Align the cutouts in the otoscope head base with power source
lugs. Push down slightly and turn 90° clockwise. To remove,
reverse this procedure. The otoscope head fits all 3.5v
Welch Allyn power sources.
Lug
Cutout
TipGrip
Caution Only accepts
Welch Allyn specula.
Attach: Twist the specula clockwise
until it clicks into the locked position.
Remove: Turn the TipGrip or twist the
specula counterclockwise.

8Operation Welch Allyn
Setup
Prior to using the Digital MacroView for the first time, install the
Welch Allyn Viewer Utility following the instructions provided
with the Viewer CD.
The software can also be found on the Welch Allyn Website at
http://www.welchallyn.com/en/service-support/software-
downloads.html.
Using the Digital MacroView system
1. Verify the power source is off and attach the Welch Allyn
Digital MacroView head to the power source (see page 7).
2. Connect the USB cable to the port on the back of the Digital
MacroView head and to the computer USB port. The
computer gives an audible signal that the connection is
complete.
USB Port

Directions for use Digital MacroView 9
3. Double-click the Welch Allyn Viewer icon on your computer
desktop.
4. Turn the power source to FULL ON position to achieve
optimum performance. The computer displays an image.
Digital MacroView automatically optimizes the image
brightness.
If necessary, adjust the color and brightness controls on the
computer monitor for picture quality.
Using focus
Default Position: align the green line to the green dot.
Free Focus: rotate either
wheel to fine-tune the
image.

10 Operation Welch Allyn
Using the controls
Capture: Press and hold either function button for
approximately 1 second. Upon release of the function button the
image freezes as a thumbnail on the screen. If the image is rotated
(see below) then the captured image is rotated.
Zoom: Press and hold either function button for approximately
2 seconds. Zoom is for on-screen viewing purposes only. Capturing
an image while in zoom mode produces a standard thumbnail. Press
and hold either function button again to zoom out.
Rotate: Press and hold both buttons for approximately 4 seconds.
Image rotates 180° on screen. Press and hold again to return the
image to its original position.

Directions for use Digital MacroView 11
Reviewing images
Settings:
Default Directory: Click Browse and
select the file path where you want
to save your images.
Video Clip Length: Select Video
Capture Limit and select an option.
Two minutes is the maximum
allowable length of a recorded video.
Default File Format: Select an
available file type for your graphics.
View Full Screen: Click to view full
screen.
Press ESC to return to the normal
view.
Record Video Clip: Click to start
recording (green icon); click again to
stop recording (blue icon). Video clip
displays as a thumbnail on the
screen and marked as Video.
NOTE: You must have a video
recorder such as Windows Movie
Maker or Windows Media Player
installed on your computer.
Snapshot: Click to take a snapshot
from the viewer. Image displays as a
thumbnail on the screen.
View Saved Images/Videos:
Window displays default directory for
storage. Select the file or select
another diretory or folder to locate the
desired file. Double-click on the file
name to view the image.
Clear All Images/Videos: Right-click the thumbnail and select
Clear. Click OK.
Save All Images/Videos: Right-click
the thumbnail and select Save. Click OK.

12 Operation Welch Allyn
Standby Mode
The Digital MacroView shuts down the active viewing window
after approximately 12 hours of continuous connection to the
active viewing window and computer.
To restart the Digital MacroView:
1. Press either function button and re-open Windows Explorer.
2. Open Windows Explorer and click My Computer in the left
pane. Double-click the USB Video Device.
Or double-click the My Computer icon on your computer
desktop and double-click the USB Video Device.

Directions for use Digital MacroView 13
Using the throat illuminator
The Welch Allyn Digital MacroView can transform into a throat
illuminator. While using the throat illuminator there are no images
available on screen or for capture.
1. Grasp the otoscope section with the left hand.
2. Grasp the throat illuminator’s collar at (under the silver ring).
3. Hold the throat illuminator collar stationary, twist the
otoscope section counterclockwise until the otoscope head
is removed.
To replace otoscope section, align the otoscope section with
the top of the throat illuminator and turn clockwise.
WARNING It is important to note that while the throat
illuminator section provides an excellent source of
general illumination, avoid more than momentary direct
skin contact due to possible heat build up.
Throat
Illuminator
Throat
Illuminator

14 Operation Welch Allyn

15
3
Maintenance and service
Replacing the lamp
Caution Halogen lamps are pressurized to provide
maximum efficiency and illumination. Mistreatment may
cause shattering. Protect lamp surface against abrasions
and scratches. Use protective eyeglasses when
handling. Dispose of lamp with care.
Caution Only use Welch Allyn lamp REF 06500-U.
Caution Lamps may be hot. Allow the lamps to cool
before removing.
Caution Avoid removing the lamp for reasons other
than replacement.

16 Maintenance and service Welch Allyn
It is necessary to re-calibrate the white balance on the Digital
MacroView after replacing the lamp.
To recalibrate the white balance:
Use a fully-charged 3.5v power source.
1. Connect the head to the computer and turn the power to the
full on position see “Using the Digital MacroView system”
on page 8.
2. Shine the light on a piece of white paper approximately
3.2 cm (1.25”) away.
3. Unfold a standard paperclip and insert it into the white
balance reset hole. Push slightly to activate the white
balance reset button.
The image becomes blue on the computer screen. A live
image returns to the computer screen when calibrated.
If the screen is red then repeat steps 1 through 3 above.
White balance reset
hole